A bong, also commonly known as a water pipe, is a smoking device, generally used to smoke cannabis, tobacco, or other substances. The construction of a bong and its principle of action is similar to that of the hookah, which is also called "water pipe". Smoking a bong contrasts with smoking a pipe or cigarette in two major ways: bongs cool the smoke before it enters the users lungs ,...
Normal lungs are pink and inflate/collapse normally. It might feel like a soft sponge. In an early smoker without COPD, the lungs will develop a grayish-black discoloration due...